When it is autumn, they move to shallowwater and get their food.
到了秋天，他们就会迁移到浅水处觅食。
2
Cousteau usually filmed large animals, usually in the open sea, whereas Painlevé generally filmed smaller animals, and he liked to film in shallowwater.
库斯托通常是在开阔的海面上拍摄大型动物，而佩恩利夫往往拍摄较小的动物，他喜欢在浅水里拍摄。
3
It has been suggested that Pakicetus fed on fish in shallowwater and was not yet adapted for life in the open ocean.